Adjustment ring



FIG. 1 is a top perspective view an adjustment ring according to the present invention.

FIG. 2 is a bottom perspective view of the adjustment ring of FIG. 1.

FIG. 3 is a top plan view of the adjustment ring of FIG. 1.

FIG. 4 is a right side view of the adjustment ring of FIG. 1, with the left side view being a mirror image thereof; and,

FIG. 5 is a bottom plan view of the adjustment ring of FIG. 1.

The broken lines shown in FIGS. 1–5 showing an attached driver are for environmental purposes only and form no part of the present invention. 

The ornamental design for an adjustment ring, as shown and described. 